What is the decimal number 5 in binary?

101.

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  1. 101 ✔
  2. 111
  3. 100

Why: Binary 101 equals 4 plus 0 plus 1, which is 5 in decimal.

Huh, didn't know that: Binary 101 equals 4 plus 0 plus 1, which is 5 in decimal.

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References

Answer: 101. Binary 101 equals 4 plus 0 plus 1, which is 5 in decimal.

  1. Scouting America: Electronics www.scouting.org/merit-badges/electronics
    Show how to change three decimal numbers into binary numbers
    Checked 2026-11-07.

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